package cn.tta.controller.admin;

import cn.tta.common.result.PageResult;
import cn.tta.common.result.Result;
import cn.tta.pojo.dto.DishDTO;
import cn.tta.pojo.dto.DishPageQueryDTO;
import cn.tta.pojo.entity.Dish;
import cn.tta.pojo.vo.DishVO;
import cn.tta.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     *  根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public Result list(Long categoryId) {
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


    /**
     * 启用禁用
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status,Long id) {
        dishService.startOrStop(status,id);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }


    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}",dishDTO);
        dishService.update(dishDTO);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 查询详情
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result getById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }


    /**
     * 批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids) {
        log.info("批量删除的id:{}",ids);
        dishService.deleteBatch(ids);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 分页条件查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    public Result page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("分页参数",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}",dishDTO);
        dishService.save(dishDTO);
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }



    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
